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in_ebpf: Handle debian like systems' signal probes #9596

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merged 2 commits into from
Nov 15, 2024
Merged

in_ebpf: Handle debian like systems' signal probes #9596

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bf7d88d
in_ebpf: Handle Debian like systems' libc path
cosmo0920 Nov 15, 2024
9610943
in_ebpf: Refer the generated skel headers of eBPF correctly
cosmo0920 Nov 15, 2024
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33 changes: 32 additions & 1 deletion plugins/in_ebpf/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -27,6 +27,37 @@ include_directories(
add_library(gadget INTERFACE)
target_include_directories(gadget INTERFACE ${CMAKE_SOURCE_DIR}/plugins/in_ebpf/traces/includes/external/gadget)

set(LIBC_PATH "/lib64/libc.so.6")

find_program(LSB_RELEASE_EXEC lsb_release)
if (LSB_RELEASE_EXEC)
execute_process(COMMAND ${LSB_RELEASE_EXEC} -i
OUTPUT_VARIABLE LSB_RELEASE_ID_SHORT
OUTPUT_STRIP_TRAILING_WHITESPACE
)

message(STATUS "##### lsb_release -i -- ${LSB_RELEASE_ID_SHORT}")

if (LSB_RELEASE_ID_SHORT MATCHES "Ubuntu" OR
LSB_RELEASE_ID_SHORT MATCHES "Debian" OR
LSB_RELEASE_ID_SHORT MATCHES "LinuxMint")
# Just added for the future enhancement
if (CMAKE_SYSTEM_PROCESSOR MATCHES "^(arm64|aarch64)")
set(LIBC_PATH "/usr/lib/aarch64-linux-gnu/libc.so.6")
elseif (CMAKE_SIZEOF_VOID_P EQUAL 8)
set(LIBC_PATH "/usr/lib/x86_64-linux-gnu/libc.so.6")
elseif (CMAKE_SIZEOF_VOID_P EQUAL 4)
set(LIBC_PATH "/usr/lib/i386-linux-gnu/libc.so.6")
endif()
endif()
endif()

# Generate the malloc trace from the template
configure_file(
"${CMAKE_SOURCE_DIR}/plugins/in_ebpf/traces/malloc/bpf.c.in"
"${CMAKE_SOURCE_DIR}/plugins/in_ebpf/traces/malloc/bpf.c"
)

# Find all bpf.c files in the traces directory
file(GLOB_RECURSE TRACE_C_FILES ${CMAKE_SOURCE_DIR}/plugins/in_ebpf/traces/*/bpf.c)

Expand Down Expand Up @@ -90,7 +121,7 @@ add_custom_target(compile_ebpf ALL DEPENDS ${TRACE_OBJ_FILES} ${TRACE_SKEL_HEADE
add_dependencies(compile_ebpf gadget)

# Include generated skeleton headers in the main plugin
include_directories(${CMAKE_BINARY_DIR}/plugins/in_ebpf/traces/includes/generated)
include_directories(${CMAKE_BINARY_DIR}/plugins/in_ebpf/traces/includes/)

# Declare the Fluent Bit plugin (using the default compiler for the main plugin)
FLB_PLUGIN(in_ebpf "${src}" "")
Expand Down
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